제출 #431753

#제출 시각아이디문제언어결과실행 시간메모리
431753yuto1115커다란 상품 (IOI17_prize)C++17
0 / 100
1 ms284 KiB
#include "prize.h" #include "bits/stdc++.h" #define rep(i, n) for(ll i = 0; i < ll(n); i++) #define rep2(i, s, n) for(ll i = ll(s); i < ll(n); i++) #define rrep(i, n) for(ll i = ll(n)-1; i >= 0; i--) #define pb push_back #define eb emplace_back #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() using namespace std; using ll = long long; using P = pair<int, int>; using vi = vector<int>; using vvi = vector<vi>; using vl = vector<ll>; using vvl = vector<vl>; using vp = vector<P>; using vvp = vector<vp>; using vb = vector<bool>; using vvb = vector<vb>; using vs = vector<string>; const int inf = 1001001001; const ll linf = 1001001001001001001; template<class T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } int find_best(int n) { auto f = [&](int i) -> bool { vi v = ask(i); return v[1] == 0; }; int ok = n, ng = 0; while (ok - ng > 1) { int mid = (ok + ng) / 2; (f(mid) ? ok : ng) = mid; } return ng; }
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